APA (7e ed.) Bronvermelding

Proctor, T. (2005). Essentials of marketing research (4th ed.). Financial Times/Prentice Hall.

Chicago (17e ed.) Bronvermelding

Proctor, Tony. Essentials of Marketing Research. 4th ed. Harlow, England ; New York: Financial Times/Prentice Hall, 2005.

MLA (8e ed.) Bronvermelding

Proctor, Tony. Essentials of Marketing Research. 4th ed. Financial Times/Prentice Hall, 2005.